Corrupt(ing) Anti-Corruption Bureau

It is always good to have some kind of corruption checks. Unfortunately, the “who is watching watchers?” question always pops up and so also this…
For the former, I recommend witnessing a dialogue between the protagonist and the anti-hero in the movie “Resurrecting the Champ“. Erik (played by Josh Hartnett) asks for ID from the Champ (played by Samuel Jackson) like a license – with name and photo. Champ asks how does the guy taking the photograph know who I am? Because I told him so. Getting where am getting at?